And two, to give you a better sense of design especially as your programs get a little more involved and they play or they run for more than just a few seconds time.

另一方面，使你们对设计更有感觉,尤其是你的程序要适用于更多的应用环境或,要运行不止几秒钟时间的时候。

哈佛公开课 - 计算机科学课程节选

Because I know this program was saved by default into my current folder, my current directory, so dot slash means run the program called a.out that's right here in my current directory not in, like, a out my applications folder or somewhere else.

程序默认保存在,当前目录下的文件夹，/意味着运行这个名为“a，out“的文件,是我当前目录下的文件，而不是应用程序文件夹或其他别的地方的。

哈佛公开课 - 计算机科学课程节选